ID21088A - VLF ELECTRICAL PROTECTIVE EQUIPMENT PROTECTION DESIGNED FROM THE SURFACE FRONT OF THE SINAR KATODA TUBE IN THE VIDEO TOOL - Google Patents

VLF ELECTRICAL PROTECTIVE EQUIPMENT PROTECTION DESIGNED FROM THE SURFACE FRONT OF THE SINAR KATODA TUBE IN THE VIDEO TOOL

Info

Publication number
ID21088A
ID21088A IDP980563A ID980563A ID21088A ID 21088 A ID21088 A ID 21088A ID P980563 A IDP980563 A ID P980563A ID 980563 A ID980563 A ID 980563A ID 21088 A ID21088 A ID 21088A
Authority
ID
Indonesia
Prior art keywords
katoda
sinar
vlf
tube
protective equipment
Prior art date
Application number
IDP980563A
Other languages
Indonesian (id)
Inventor
Hee Young Song
Original Assignee
Lg Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lg Electronics Inc filed Critical Lg Electronics Inc
Publication of ID21088A publication Critical patent/ID21088A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/16—Picture reproducers using cathode ray tubes
    • H04N9/29—Picture reproducers using cathode ray tubes using demagnetisation or compensation of external magnetic fields
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/18—Generation of supply voltages, in combination with electron beam deflecting
    • H04N3/185—Maintaining dc voltage constant
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/20—Prevention of damage to cathode-ray tubes in the event of failure of scanning
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/0007—Elimination of unwanted or stray electromagnetic effects
    • H01J2229/0015—Preventing or cancelling fields leaving the enclosure

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
IDP980563A 1997-10-09 1998-04-15 VLF ELECTRICAL PROTECTIVE EQUIPMENT PROTECTION DESIGNED FROM THE SURFACE FRONT OF THE SINAR KATODA TUBE IN THE VIDEO TOOL ID21088A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019970051769A KR100371379B1 (en) 1997-10-09 1997-10-09 Device for blocking vlf electric field radiated from crt of video display system

Publications (1)

Publication Number Publication Date
ID21088A true ID21088A (en) 1999-04-15

Family

ID=19522426

Family Applications (1)

Application Number Title Priority Date Filing Date
IDP980563A ID21088A (en) 1997-10-09 1998-04-15 VLF ELECTRICAL PROTECTIVE EQUIPMENT PROTECTION DESIGNED FROM THE SURFACE FRONT OF THE SINAR KATODA TUBE IN THE VIDEO TOOL

Country Status (6)

Country Link
US (1) US6144416A (en)
KR (1) KR100371379B1 (en)
CN (1) CN1133318C (en)
BR (1) BR9801970A (en)
GB (1) GB2330288B (en)
ID (1) ID21088A (en)

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3569621A (en) * 1968-11-29 1971-03-09 Zenith Radio Corp Television receiver control circuit
US3721854A (en) * 1971-01-08 1973-03-20 D Sunstein Cathode-ray tube and system to eliminate electrical discharges during indexing
US4992624A (en) * 1989-06-12 1991-02-12 Hewlett-Packard Company Magnetic shield for visual display terminals
US5036257A (en) * 1990-04-30 1991-07-30 Thomson Consumer Electronics, Inc. Projection TV deflection loss protection circuit
US5089754A (en) * 1990-04-30 1992-02-18 Thomson Consumer Electronics, Inc. Protection circuit for a cathode ray tube
US5107179A (en) * 1990-10-22 1992-04-21 Sun Microsystems, Inc. Method and apparatus for magnetic field suppression using inductive resonant and non-resonant passive loops
JP2562732B2 (en) * 1991-02-08 1996-12-11 三洋電機株式会社 Television receiver
DE69207227T2 (en) * 1991-02-20 1996-09-05 Nanao Corp Device for suppressing the radiation of a display device
SE469456B (en) * 1991-11-22 1993-07-05 Nokia Data Ab PROCEDURE AND DEVICE IN A SCREEN UNIT TO REDUCE ELECTRIC VACCINELY IN THE ENVIRONMENT'S ENVIRONMENT
US5689157A (en) * 1992-05-08 1997-11-18 Hitachi, Ltd. Cathode-ray tube display unit in which unwanted radiant electric field from face plate of cathode-ray tube is decreased
US5568112A (en) * 1992-05-14 1996-10-22 Cure; Jorge Method and apparatus for reducing the strength of pulsating magnetic fields
GB2279216A (en) * 1993-06-15 1994-12-21 Ibm Cathode ray tube display with cancellation of electric field emission
JPH08227666A (en) * 1995-02-20 1996-09-03 Matsushita Electric Ind Co Ltd Leakage field reduction device for crt display
KR100190160B1 (en) * 1995-10-27 1999-06-01 윤종용 A circuit for shielding electric field of image displayer

Also Published As

Publication number Publication date
CN1214594A (en) 1999-04-21
CN1133318C (en) 2003-12-31
GB2330288B (en) 2000-03-01
US6144416A (en) 2000-11-07
GB9807223D0 (en) 1998-06-03
KR100371379B1 (en) 2003-03-26
GB2330288A (en) 1999-04-14
BR9801970A (en) 1999-11-03
KR19990031155A (en) 1999-05-06

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